Search Results - "Demazière, Christophe"

The polarizing effect of the online flipped classroom by Stöhr, Christian, Demazière, Christophe, Adawi, Tom

“…Against the background of the burgeoning use of online learning in higher education, and more recently the online flipped classroom, this study sets out to…”
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Exploring the creation of the metropolitan city-region government: the cases of England, France and Italy by Demazière, Christophe

“…Over the past decade, several European countries have undergone reforms that modified the distribution of allocated powers and/or the geographical area of…”
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Strategic Spatial Planning in a Situation of Fragmented Local Government: The Case of France by Demazière, Christophe

“…Strategic spatial planning has been redefined by urban theorists as a collective effort to reimagine a metropolis, giving way to the coordination of public…”
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CORE SIM+: A flexible diffusion-based solver for neutron noise simulations by Mylonakis, Antonios, Vinai, Paolo, Demazière, Christophe

“…•A new flexible diffusion-based solver for neutron noise simulations is presented•The features of the solver allow the simulation of a broad range of noise…”
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On the simulation of neutron noise using a discrete ordinates method by Yi, Huaiqian, Vinai, Paolo, Demazière, Christophe

“…•The discrete ordinates solver NOISE-SN is studied for neutron noise simulations.•NOISE-SN is tested on 2 neutron noise problems based on 2-D heterogeneous…”
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Criteria for Onset of Flow Instability in heated vertical narrow rectangular channels at low pressure: An assessment study by Ghione, Alberto, Noel, Brigitte, Vinai, Paolo, Demazière, Christophe

“…•Criteria for Onset of Flow Instability in narrow rectangular channels are assessed.•Upward flow experiments with uniform and non-uniform axial heat flux…”
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CORE SIM: A multi-purpose neutronic tool for research and education by Demaziere, Christophe

“…► A highly flexible neutronic core simulator was developed. ► The tool estimates the static neutron flux, the eigenmodes, and the neutron noise. ► The tool was…”
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Predictive BWR core stability using feedback reactivity coefficients projected on neutronic eigenmodes by Dykin, Victor, Demazière, Christophe

“…•A new method for BWR stability analysis is proposed.•The method is based on the analysis of the so-called Cmn reactivity coefficients.•The method gives an…”
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A numerical framework for bubble transport in a subcooled fluid flow by Jareteg, Klas, Sasic, Srdjan, Vinai, Paolo, Demazière, Christophe

“…In this paper we present a framework for the simulation of dispersed bubbly two-phase flows, with the specific aim of describing vapor–liquid systems with…”
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Analysis of the neutron noise induced by fuel assembly vibrations by Zoia, Andrea, Rouchon, Amélie, Gasse, Baptiste, Demazière, Christophe, Vinai, Paolo

“…•We investigate some aspects of the neutron noise equations in the Fourier domain.•We consider periodic fuel rod vibrations, with focus on the double frequency…”
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Uncertainty and sensitivity analysis for the simulation of a station blackout scenario in the Jules Horowitz Reactor by Ghione, Alberto, Noel, Brigitte, Vinai, Paolo, Demazière, Christophe

“…•A station blackout scenario in the Jules Horowitz Reactor is analyzed using CATHARE.•Input and model uncertainties relevant to the transient, are…”
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ACCELERATION OF A 2-DIMENSIONAL, 2-ENERGY GROUP NEUTRON NOISE SOLVER BASED ON A DISCRETE ORDINATES METHOD IN THE FREQUENCY DOMAIN by Yi, Huaiqian, Vinai, Paolo, Demazière, Christophe

“…The acceleration of the convergence rate is studied for a neutron transport solver to simulate 2-D, 2-energy-group neutron noise problems in the frequency…”
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On the dynamics of instabilities in two-fluid models for bubbly flows by Jareteg, Klas, Ström, Henrik, Sasic, Srdjan, Demazière, Christophe

“…•Instabilities in bubbly gas-liquid flows are investigated.•A shared-pressure two-fluid model is applied to low bubble loadings.•Inclusion of virtual mass…”
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Numerical solution of two-energy-group neutron noise diffusion problems with fine spatial meshes by Mylonakis, Antonios G., Vinai, Paolo, Demazière, Christophe

“…•A strategy for fine-mesh diffusion computation of reactor neutron noise is presented.•The eigenvalue problem is solved with PM accelerated with Chebyshev and…”
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Assessment of thermal–hydraulic correlations for narrow rectangular channels with high heat flux and coolant velocity by Ghione, Alberto, Noel, Brigitte, Vinai, Paolo, Demazière, Christophe

“…•Thermal–hydraulic correlations are assessed against the SULTAN-JHR experiments.•The experiments are for narrow rectangular channels, at high heat and mass…”
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A coupled neutronics/thermal–hydraulics tool for calculating fluctuations in Pressurized Water Reactors by Larsson, Viktor, Demazière, Christophe

“…► Numerical fluctuation calculations for a commercial PWR. ► Fluctuations in neutron flux, fuel and moderator temperature and coolant velocity. ► Coupled…”
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Coupled fine-mesh neutronics and thermal-hydraulics – Modeling and implementation for PWR fuel assemblies by Jareteg, Klas, Vinai, Paolo, Sasic, Srdjan, Demazière, Christophe

“…•A multiphysics fine-mesh neutronic/thermal-hydraulic framework is discussed.•Neutron transport SN, heat transfer, and CFD solvers are implemented and…”
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Advanced numerical simulation and modelling for reactor safety − contributions from the CORTEX, HPMC, McSAFE and NURESAFE projects by Demazière, Christophe, Sanchez-Espinoza, Victor Hugo, Chanaron, Bruno

“…Predictive modelling capabilities have long represented one of the pillars of reactor safety. In this paper, an account of some projects funded by the European…”
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Advanced numerical simulation and modeling for reactor safety – contributions from the CORTEX, McSAFER, and METIS projects by Demazière, Christophe, Sanchez-Espinoza, Victor Hugo, Zentner, Irmela

“…This paper gives an account of three projects funded by the European Union that heavily rely on numerical modeling and simulations of nuclear reactors: the…”
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GRE@T-PIONEeR: Teaching the nuclear data pipeline using innovative pedagogical methods by Cabellos, Oscar, Demazière, Christophe, Dulla, Sandra, Garcia-Herranz, Nuria, Miró, Rafael, Macian, Rafael, Szieberth, Máté, Buchet, Emma, Maurice, Suzi, Strola, Samy

“…GRE@T-PIONEeR - GRaduate Education Alliance for Teaching the PhysIcs and safety Of NuclEar Reactors - is a project funded by the Euratom – Horizon 2020…”
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